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Which expression is equivalent to 10i/2-i
Which expression is equivalent to 10i/2-ia. –5i – 2
b. –4i – 2
c. 4i – 2
d. 5i – 2
Thecomplexexpression 10i / (2 – i) isequivalentto thecomplexexpression 4i – 2. Then thecorrectoption isC.What is a complex number?Thecomplexnumber is thecombinationof therealpart and theimaginarypart. Then thecomplexnumber is given as⇒ a+biTheexpressionis given below.⇒ 10i / (2 – i)Simplifythe expression, we have⇒ [10i / (2 – i)] [(2 + i)/(2 + i)]⇒ (20i + 10i²) / (2² – i²)Weknowthat i² = –1⇒ (20i – 10) / (4 + 1)⇒ 4i – 2Then thecorrectoption isC.More about thecomplex numberlink is given below.brainly.com/question/10251853#SPJ5...
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